I WAS TRAVELING DOWN IH37 AT 65 MPH, MILE MARKER 88, WHEN THE TRANSMISSION OIL OVERHEATED CAUSING TRANSMISSION OIL TO LEAK ONTO THE EXHAUST MANIFOLD RESULTING IN A FIRE, CAUSING A TOTAL LOSS OF THE TRANSMISSION. CONDITIONS AT THE TIME OF LOSS WHERE: VEHICLE WAS IN CRUISE CONTROL MODE, TEMPERATURE 90 F, LEVEL TERRAIN, SPEED 65 MPH. THERE WAS NO INDICATION OR WARNING PRIOR TO THE FAILURE. ENGINE WAS OPERATING AT NORMAL 2500 RPM. *TR